COSIC
@cosic
COSIC provides a broad expertise in digital security and strives for innovative security solutions. COSIC is headed by Bart Preneel.
"I chose COSIC because I am impressed by the quality of work produced by COSIC. In my study of cryptography, I have frequently referred to papers written by COSIC, and it feels great to now join this group and contribute to research in cryptography and security." #choosecosic
Lakshya Chopra is a new visitor at COSIC: he will be doing research on authenticated encryption modes that remain secure even when nonces are reused, or when unverified plaintext is released before verification. Welcome! #choosecosic
Let's welcome João Azevedo to our research group! João is starting a PhD on privacy-enhancing technologies, including issuer-hiding anonymous credentials and strengthened fuzzy extractors, for privacy-preserving Self-Sovereign Identity systems. Welcome! #choosecosic
"I chose COSIC for its world-leading work in cryptography and its strong track record in threshold cryptography and secret sharing — exactly the area I want to grow in. Excited to learn from such a group!"
Kaarlo Lahti is a new intern working on the project "Pairwise Independence of the AES", studying the way the AES behaves when subject to a "triple-wise" attack. #choosecosic
"I chose COSIC because it is a world-renowned research group in cryptography and hardware security, offering the perfect environment to work on interesting and relevant projects while gaining invaluable experience and continuously learning from top experts in the field."
Abel Stuker earned his BA at VUB and is now joining COSIC as an intern, where he is working on the security analysis of the Car Connectivity Consortium Digital Key 4.0 specification. Welcome, Abel! #choosecosic
Antoine Kahn is doing an internship in COSIC and is working on secure detection of illegal content. Welcome! #choosecosic
Francisco Manuel López López is a new intern in COSIC: he is working on Verifiable Secret Sharing schemes. "I chose to join COSIC to collaborate with world-class experts in applied cryptography. It is the ideal environment to advance my research in cryptography". #choosecosic
The 18th COSIC Course on Cryptography & Cybersecurity (22–25 June 2026) was a great success! 130+ participants explored crypto foundations, system security, privacy, regulation, post-quantum, and real-world use cases. Missed it? You also missed our exclusive COSIC merch 😉
Welcome to our new intern, Auriane Chevalier! She'll be working on perceptual hash functions. "I chose COSIC because through this internship, I can truly learn cryptography - not only from a theoretical point of view, but also by working on a real research project." #choosecosic
Meet Joonas Ahola, new COSIC intern working on lattice-based PPVSS. "I chose COSIC because of its strong track record, and because I couldn't get enough of Belgium in six months as an Erasmus exchange student at KU Leuven." #choosecosic
Meet the newest intern in COSIC: Aditi Singh will be working on a research project about how basketball clubs can use data to improve coaching and team performance while still protecting sensitive information. #choosecosic
Congratulations to Oliver Zajonc for successfully defending his PhD thesis on "Computation on Encrypted Data: In All Shapes and Sizes" today! 🎓🥳
We have a new visiting scholar at COSIC: Pushkar Dube! "I chose COSIC for its world-leading reputation in crypto & security, and the chance to work on practical UWB security challenges combining cryptography, wireless systems & real-world experimentation." #choosecosic
🔐 COSIC Course 2026 speaker announcement! At Track B (Hardware Sec), Suparna Kundu (COSIC) presents: "Implementing Post-Quantum Cryptography: Challenges and Insights". From theory to practice in #PQC: implementations, attacks & countermeasures. Program: www.esat.kuleuven.be/cosic/events...
🔐 COSIC Course 2026 speaker announcement! At Track B (Hardware Security), Wouter Legiest (COSIC) presents: “Computing on encrypted data: FHE”. Exploring how to speed up homomorphic encryption and make computation on encrypted data practical. Program: www.esat.kuleuven.be/cosic/events...
🔐 COSIC Course 2026 speaker announcement! On Thursday 25 June we have two tracks at the COSIC course. At TRACK B (Hardware Security track), Benedikt Gierlichs (COSIC) will give a lecture on "Embedded device security: the weakest link – basics". Program: www.esat.kuleuven.be/cosic/events...
🔐 COSIC Course 2026 speaker announcement! Milos Grujic (COSIC) will present "Taming the Mess: True Random Number Design for Secure Hardware." His research focuses on TRNGs and PUFs for secure hardware. Program: www.esat.kuleuven.be/cosic/events...
🔐 COSIC Course 2026 speaker announcement! Marc Desgroseilliers (Belfort) will give a lecture on "FHE applications: the need for speed". Marc is an applied mathematician with expertise in cryptography, machine learning, and information theory. Program: www.esat.kuleuven.be/cosic/events...
🔐 COSIC Course 2026 speaker announcement! We are excited to welcome Frank Piessens (DistriNet, KU Leuven), who will dive into the fascinating field of Software Security. Registration is still open: www.esat.kuleuven.be/cosic/events...
🔐 COSIC Course 2026 speaker announcement! Krijn Reijnders (COSIC) will give a lecture on "Public Key Cryptography". He is an expert in post-quantum cryptography, specifically code-based and isogeny-based schemes. Registration is still open: www.esat.kuleuven.be/cosic/events...
Sayon Duttagupta presented “HASAC: Energy Adaptive Secure Firmware Updates for Critical IoT Systems” at the 41st IFIP SEC conference in Perth. ifipsec.org/program.html
Elise Jault is a visitor from Université Paris Cité working on secure detection of illegal content. "I chose COSIC because it is the best research lab in cryptography in Europe." Welcome! #choosecosic
Nathaniel Hurst joins COSIC as an intern, visiting from UC Santa Barbara. He’s working on pairwise independence of AES, using numerical methods to derive bounds for key cipher properties. #choosecosic
Romir Zadoo joins COSIC for a summer internship. Working on security analysis of peer-to-peer networks (AWDL & NAN). "I chose COSIC because they had an established summer internship programme aligned with my interests and past projects." #choosecosic
🔐 COSIC Course 2026 speaker announcement! Tom Van Cutsem (DistriNet, KU Leuven) will give a talk on Blockchain & Distributed Ledgers. Explore the future of decentralized systems at the COSIC course. Registration is open: www.esat.kuleuven.be/cosic/events...
🔐 COSIC Course 2026 speaker announcement! Dave Singelée (DistriNet, KU Leuven) will be teaching us all about Network Security. From IoT and wireless security to real-world cybersecurity applications - don’t miss this session. Registration is open: www.esat.kuleuven.be/cosic/events...